Hello, I wrote: > http://www.baum.com.au/~jiri/tubes/tubes-howto.html PS: Is there some place I should post this? Some wiki or other documentation location? I don't mind keeping it on my server, but if there's a more correct place where it belongs, I'd rather put it there. Jiri -- Jiri Baum <jiri at baum.com.au> http://www.baum.com.au/~jiri